2-Phosphonobutane -1,2,4-Tricarboxylic Acid(PBTCA•Na4)

2-Phosphonobutane -1,2,4-Tricarboxylic Acid(PBTCA•Na4)

【CAS】40372-66-5

Molecular Formula: C7H7O9P•Na4  Relative molecular mass: 358

Structural Formula:

 

2.

ItemsIndex
AppearanceColorless to yellowish transparent liquidWhite crystal powder
Active content (as PBTCA, % )30.0 min64.0 min
Active content (as PBTC•Na4, %)40.0 min85.0 min
Total phosphoric acid(PO43-%, )10.5 min22.5 min
Fe, mg/L20.0 max
Density (20℃) g/cm31.35 min
PH (1% water solution)9.0-12.04.0-6.0
  1. 3. Application Scope and Usage Method

PBTCA•Na4 can be used as a scale inhibitor, an efficient chelating agent, and an excellent BaSO4 scale inhibitor. DTPMP•Na7 is widely used in cooling water treatment, a stabilizer for peroxide bleaching, a detergent aid, municipal and industrial clean water for use, hot water treatment for geothermal sources, and scale inhibitor for oil fields. It is widely applied in the building materials industry as a concrete retarder.

  1. Packaging and Storage

PBTCA•Na4 is packaged in plastic drums, available in 25kg or 200kg per drum. The specific quantity can be determined according to the user’s requirements. It should be stored in a cool indoor place and has a shelf life of ten months.

  1. Safety Protection

PBTCA•Na4 is neutral. During operation, pay attention to personal protection. It should be avoided from coming into contact with the skin, eyes, etc. After contact, rinse with plenty of water.